There is plenty of salt here. Most of the bridges go over salt water.
Freeze thaw can be an issue but not if the road is properly
engineered.
Usually frost heaves are when they did a quicky patch last time.
Water gets under the patch and blows it out when it freezes.
It is still undeniable that the places with the biggest road and
bridge problems have diverted road building money to other things like
trains people won't ride or simply to patch other holes in their
budget instead of patching holes in the bridge.
I doubt very much that the bridges in Florida are subjected to the
amount of salt corrosion that the bridges up here are subjected to.
Down there you get plenty of rain that rinses any salt spray that wind
might deposit on them. Up here the salting starts with the first
freezing sleet or snow and continues all winter. It's only swept up
in the spring.
They sweep the roads to get the salt mix up? Down here it washes off with the rain or
melting snow, but I've never seen it swept.
--
Guns don't cause problems.
Gun owner behavior causes problems.
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